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Research on Acceleration of Particle Simulation

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22ETET30 Subject Category: Skills Acquisition System PDF Responsible Representative: Yasuhiro Mizobuchi, Aviation Technology Directorate, Aircraft Lifecycle Innovation Hub Contact Information: Takaaki Miyajima, Department of Computer Science, School of Science and Technology, Meiji University(takaaki.miyajima@cs.meiji.ac.jp) Members: Aoto Abe, Kazumi Kayajima, Dai Wada Abstract Acquiring advanced numerical analysis methods such as particle methods Reference URL N/A Reasons and benefits of using JAXA Supercomputer System Scalability is a major issue for the MPS method・・・<<read more>>

Numerical investigation on intake and wing

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22ETET10 Subject Category: Skills Acquisition System PDF Responsible Representative: Atsushi Hashimoto, Aviation Technology Directorate, Aircraft Lifecycle Innovation Hub Contact Information: Manami Fujii(m-fujii@moegi.waseda.jp) Members: Manami Fujii, Kohei Konishi, Keita Ogura, Kosuke Uchida Abstract JAXA and universities are advancing research to realize a hypersonic passenger airplane. This plan is divided into 4 stages and the 1st stage is called High-Mach Integrated Control Experiment, HIMICO. This is a hypersonic flight experiment aiming at・・・<<read more>>

Study on dynamic instability of a reentry capsule at transonic speed

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22ETET12 Subject Category: Skills Acquisition System PDF Responsible Representative: Atsushi Hashimoto, Aviation Technology Directorate, Aircraft Lifecycle Innovation Hub Contact Information: Yuya Ohmichi(ohmichi.yuya@jaxa.jp) Members: Shoma Ito Abstract Atmospheric entry capsules are known to be prone to dynamic instabilities during subsonic to transonic speed flight. To investigate the phenomena, numerical fluid simulations of flows around a NACA0012 airfoil were performed to reproduce the self-excited oscillation, as an initial study of simulations. Reference・・・<<read more>>

Retrieval of greenhouse gas concentrations from GOSAT-2 observations

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22ER3501 Subject Category: Space Technology PDF Responsible Representative: KUZE Akihiko, GOSAT-2 Project Team, Space Technology Directorate I Contact Information: Nobuhiro Kikuchi (Earth Observation Research Center)(kikuchi.nobuhiro@jaxa.jp) Members: Makiko Hashimoto, Kenji Kowata, Fumie Kataoka, Nobuhiro Kikuchi, Hideyuki Noguchi, Kei Shiomi, Hiroshi Suto, Atsushi Sugano, Shigeaki Wada, Takehito Yoshida Abstract Atmospheric concentrations of carbon dioxide, methane and carbon monoxide are retrieved from hyper spectral data measured by The Greenhouse Gases Observing Satellite 2・・・<<read more>>

Basic research for system integration of silent supersonic airplane

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22ETET01 Subject Category: Skills Acquisition System PDF Responsible Representative: Yoshikazu Makino, Aviation Technology Directorate, Silence Supersonic Aircraft Team Contact Information: Hiroaki Ishikawa(ishikawa.hiroaki2@jaxa.jp) Members: Hiroaki Ishikawa, Issei Kikura, Yoshikazu Makino, Takuma Tsuda, Taiga Ueno Abstract The system integration design technologies for achieving low sonic-boom, low aerodynamic drag, low landing and take-off noise, and light weight simultaneously are the key technologies for future supersonic airplanes. JAXA is promoting the R&D for these・・・<<read more>>